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trivialValuation -- The trivial valuation

Usage:

v = trivialValuation
Outputs:
- v, an instance of the type Valuation, the trivial valuation

Description

This valuation returns zero for all nonzero inputs.

i1 : v = trivialValuation;

i2 : v (-13)

o2 = 0

i3 : v 100000000

o3 = 0

i4 : v (14/23)

o4 = 0

i5 : v 0

o5 = infinity

o5 : InfiniteNumber

See also

valuation -- User-defined valuation object
Valuation -- The type of all valuations
leadTermValuation -- The valuation defined by leading terms
lowestTermValuation -- The valuation defined by lowest terms
localRingValuation -- The valuation defined by a local ring.
padicValuation -- The p-adic valuation

For the programmer

The object trivialValuation is an instance of the type Valuation.

The source of this document is in /build/macaulay2-88fgJW/macaulay2-1.25.11+ds/M2/Macaulay2/packages/Valuations.m2:491:0.